[p=30, 2, left][p=30, 2, left][p=30, 2, left]Over the past few decades every sector of American agriculture has undergone dramatic consolidation.

[p=30, 2, left][font=Times New Roman][p=30, 2, left][p=30, 2, left]过去几十年里，美国农业的各个部门都经历了巨大的整合。